CN201903450U - Connecting and fixing device for power testing of engine - Google Patents

Connecting and fixing device for power testing of engine Download PDF

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Publication number
CN201903450U
CN201903450U CN2010206604820U CN201020660482U CN201903450U CN 201903450 U CN201903450 U CN 201903450U CN 2010206604820 U CN2010206604820 U CN 2010206604820U CN 201020660482 U CN201020660482 U CN 201020660482U CN 201903450 U CN201903450 U CN 201903450U
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CN
China
Prior art keywords
oil cylinder
hook
engine
compact heap
tiltedly
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2010206604820U
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Chinese (zh)
Inventor
陈基强
田世荣
王杰
权培硕
蔡祖斌
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Shanghai Baosteel Equipment Maintenance Co Ltd
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Shanghai Baosteel Equipment Maintenance Co Ltd
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Priority to CN2010206604820U priority Critical patent/CN201903450U/en
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Abstract

The utility model discloses a connecting and fixing device for power testing of an engine. The engine on a support plate can move along three directions through a vertical sliding track and a horizontal sliding track on a transport cart, a bottom plate, a hollow column, a screw and the support plate, so as to facilitate alignment of the engine and a power testing machine; a tightening structure is provided with a first cylinder through a bracket, the front end of a piston rod is provided with a hook, the front end of the bracket is respectively provided with a bearing frame and a limiting block, a hook plate is arranged at the front end of the cart, the piston rod extends out, and the hook is hooked on the hook plate in a propping way along the bearing frame so that the cart can be pulled towards the power testing machine; and the tightening structure is provided with an inclined wedge, a pressing block, a second cylinder and a spring through a tightening frame, pressing pads are arranged at the four corners of the cart, the inclined wedge is pulled by the second cylinder, and the pressing block is pressed by the inclined wedge and props against the pressing pads to realize tightening of the cart. By adopting the device, the engine can be conveniently and rapidly delivered to a position in front of the power testing machine and then can be positioned and locked, the labor intensity can be lowered, the operating efficiency can be increased, the testing accuracy can be guaranteed, and hidden safety risks can be avoided.

Description

The device that is connected and fixed that is used for power test
Technical field
The utility model relates to a kind of device that is connected and fixed that is used for power test.
Background technology
Power test behind the engine overhaul is the working routine an of necessity.By engine is carried out loaded power test, can find and check whether exist after engine is ressembled leak, leakage of oil, gas leak phenomenon, whether vibration and abnormal sound are arranged, whether the power of test engine, moment of torsion, rotating speed, oil consumption etc. reach ratings, and whether relevant temperature and pressure is normal.Judge to repair whether complete rear engine qualified in view of the above.
For realizing the power test of engine, need engine is connected accurately and reliably with dynamometer machine, and the concentricity of adjustment dynamometer machine central axis and engine flywheel center line is controlled in the margin tolerance of permission.Because engine is wide in variety, power bracket is wide, and the physical dimension difference is bigger, brings bigger difficulty for the location and the locking of the relative dynamometer machine of engine.In the past, for want of Special Equipment need be done a large amount of preliminary work before power test, and the time that generally need have 3 people to spend two days just can finish, comprise engine conveying, with the connecting of dynamometer machine, location, locking etc.Usually engine adopts small handcart to be transported to the measurement of power chamber, lifts on the engine support with easy chain block again; Because of engine model is many, physical dimension difference is big, and support can't be realized all around, adjustment up and down, can only adopt artificial " push-and-pull " to put in place, and efficient is lower; The way that its locking can only be taked to add and subtract cushion block locking after engine put in place solves, be difficult to realize the requirement of reliable locking, cause the power test process need repeat locking, the precision and the efficient of influence test are also brought certain potential safety hazard to safety test.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of device that is connected and fixed that is used for power test, utilize this device to be sent to before the dynamometer machine and positioning and locking by convenient, fast realization engine, reduced labour intensity, improved operating efficiency, guarantee the precision of power test, stopped the potential safety hazard in the test process.
For solving the problems of the technologies described above, the device that is connected and fixed that the utility model is used for power test comprises the transmission dolly of carrying engine, also comprises position adjustment structure, tension structure and fastening structure,
Described position adjustment structure comprises four vertical slide rails, four horizontal slide rails, four base plates, four hollow pillar stands, four rhizoid bars, four blocks of supporting plates, vertical clamping screw, laterally clamping screw and highly clamping screw, described four vertical slide rails are divided into described transmission dolly both sides, described four base plates are divided on vertical slide rail of described transmission dolly both sides and along slide rail and vertically move, described four horizontal slide rails are located on described four base plates the plane respectively and perpendicular to described vertical slide rail, described four hollow pillar stands are located at respectively on described four base plates and along the horizontal slide rail on the base plate and are moved, described four hollow pillar stand end faces have through hole, described four rhizoid bars penetrate the interior and rotary moveable connection of through hole of described four hollow pillar stand end faces respectively, described four blocks of supporting plates have the side that screw is twisted on described four rhizoid bars and stretched out described four hollow pillar stands in opposite directions, described supporting plate rotates along described column lifting with described screw mandrel, described vertical clamping screw is located at and is used for fixing the position of base plate on the vertical slide rail of transmission dolly on the described base plate, described horizontal clamping screw is located at described column bottom surface and is used for fixing the position of column on the horizontal slide rail of base plate, and described height clamping screw is located at and is used for fixing the height of described supporting plate on column on the supporting plate;
Described tension structure comprises support, first oil cylinder, bearing support, limited block, hook and hanger plate, described is set up in the dynamometer machine base, described first oil cylinder is located on the described support, described bearing support tilts to be located at described support front end, described hook is located at the described first oil cylinder piston bar front end, hook when the described branching bolster supporting first oil cylinder piston bar stretches out, described limited block is located at described support front end, and described hanger plate is located at the bottom surface of the little car bottom plate of described transmission; When stretching out with the first oil cylinder piston bar, described hook is affiliated to described hanger plate;
Described fastening structure comprises four fastening frames, tiltedly carve for four, four compact heaps, four second oil cylinders, four springs and four clamping pads, described four fastening frames are located at dynamometer machine frame both sides respectively at interval, tiltedly carve for described four, four compact heaps and four second oil cylinders are located at respectively on described four fastening frames, described tiltedly carve be horizontally disposed with and an end connect the described second oil cylinder piston bar, one end, described compact heap vertical described tiltedly carve and the top against the described inclined-plane of tiltedly carving, described spring is placed in described compact heap outer ring, described four clamping pad end faces are provided with groove and are located at four jiaos in described transmission dolly, the pulling of the described second oil cylinder piston bar is described when tiltedly carving, described tiltedly carving depressed described compact heap, and described compact heap overcomes the acting force of spring and the groove that the compact heap bottom surface is positioned at the clamping pad of four jiaos in described transmission dolly.
Control for ease of transmission dolly tension in the tension structure, this device also comprises first near switch, described first is located near switch and is used to detect described transmission dolly position on the described bearing support, described transmission dolly is pulled to described first during near the switch motion position through hook, and described first controls described first oil cylinder near switch quits work.
For ease of the fastening control of transmission dolly in the fastening structure, this device also comprises second near switch, described second is located near switch and is used to detect the described position of tiltedly carving on the described fastening frame, described tiltedly carving when making described compact heap bottom surface be positioned at described clamping pad groove, described second controls described second oil cylinder near switch quits work.
Drive the compact heap action for ease of tiltedly carving in the fastening structure, this device also comprises four rolling, and described four rolling is located at respectively between tiltedly carving of described four fastening structures and the compact heap.
Because being used for the device that is connected and fixed of power test, the utility model adopted technique scheme, promptly by be arranged at the vertical slide rail of transmission on the dolly, laterally slide rail, base plate, hollow pillar stand, screw mandrel and supporting plate realize being installed on engine on the supporting plate can be longitudinally, laterally and the moving of short transverse, be convenient to the centering of engine and dynamometer machine; The tension structure is installed first oil cylinder by support, the first oil cylinder piston bar front end is provided with hook, and the support front end is respectively equipped with bearing support and limited block, and hanger plate is located at transmission dolly front end, the first oil cylinder piston bar stretches out, and hook is affiliated to hanger plate along bearing support and will be transmitted dolly and pull to dynamometer machine; Fastening structure is provided with tiltedly by fastening frame and carves, compact heap, second oil cylinder and spring, and clamping pad is located at four jiaos in transmission dolly, and the pulling of second oil cylinder is tiltedly carved, and tiltedly carves and depresses compact heap, and compact heap is realized the fastening of transmission dolly against clamping pad.This device can be sent to before the dynamometer machine and positioning and locking by convenient, fast realization engine, has reduced labour intensity, has improved operating efficiency, has guaranteed the precision of power test, has stopped the potential safety hazard in the test process.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and embodiments:
Fig. 1 is used for the schematic representation of apparatus that is connected and fixed of power test for the utility model,
Fig. 2 is the synoptic diagram of transmission dolly and position adjustment structure in this device,
Fig. 3 is the side view of Fig. 2,
Fig. 4 is the vertical view of Fig. 2,
Fig. 5 is the synoptic diagram of tension structure in this device,
Fig. 6 is the synoptic diagram of fastening structure in this device.
Embodiment
As shown in Figure 1, the device that is connected and fixed that the utility model is used for power test comprises the transmission dolly 1 of carrying engine, also comprises position adjustment structure 2, tension structure 3 and fastening structure 4, and dynamometer machine 5 is positioned on the test board 6,
As Fig. 2, shown in 3 and 4, described position adjustment structure comprises four vertical slide rails 25, four horizontal slide rails 29, four base plates 23, four hollow pillar stands 21, four rhizoid bars 22, four blocks of supporting plates 24, vertical clamping screw 27, laterally clamping screw 28 and highly clamping screw 26, described four vertical slide rails 25 are divided into described transmission dolly 1 both sides, described four base plates 23 are divided on vertical slide rail 25 of described transmission dolly 1 both sides and along slide rail and vertically move, described four horizontal slide rails 29 are located on described four base plates 23 plane respectively and perpendicular to described vertical slide rail 25, described four hollow pillar stands 21 are located at respectively on described four base plates 23 and along the horizontal slide rail 29 on the base plate 23 and are moved, described four hollow pillar stand 21 end faces have through hole, described four rhizoid bars 22 penetrate the interior and rotary moveable connection of through hole of described four hollow pillar stand 21 end faces respectively, described four blocks of supporting plates 24 have the side that screw is twisted on described four rhizoid bars 22 and stretched out described four hollow pillar stands 21 in opposite directions, described supporting plate 24 rotates along described column 21 liftings with described screw mandrel 22, described vertical clamping screw 27 is located at and is used for fixing the position of base plate 23 on transmission dolly 1 vertical slide rail 25 on the described base plate 23, described horizontal clamping screw 28 is located at described column 21 bottom surfaces and is used for fixing the position of column 21 on base plate 23 horizontal slide rails 29, and described height clamping screw 26 is located at and is used for fixing the height of described supporting plate 24 on column 21 on the supporting plate 24; One end of described transmission dolly 1 is provided with cart handle 11;
As Fig. 2, Fig. 3 and shown in Figure 5, described tension structure comprises support 31, first oil cylinder 32, bearing support 35, limited block 36, hook 34 and hanger plate 39, described support 31 is located at the dynamometer machine base, described first oil cylinder 32 is located on the described support 31, described bearing support 35 tilts to be located at described support 31 front ends, described hook 34 is located at described first oil cylinder, 32 piston rods, 33 front ends, hook 34 when described bearing support 35 supportings first oil cylinder 32 piston rods 33 stretch out, described limited block 36 is located at described support 31 front ends, and described hanger plate 39 is located at the bottom surface of described transmission dolly 1 base plate; When stretching out with first oil cylinder, 32 piston rods 33, described hook 34 is affiliated to described hanger plate 39;
As Fig. 4 and shown in Figure 6, described fastening structure comprises four fastening frames 41, tiltedly carve 42 for four, four compact heaps 43, four second oil cylinders 44, four springs 46 and four clamping pads 49, described four fastening frames 41 are located at dynamometer machine frame both sides respectively at interval, tiltedly carve 42 for described four, four compact heaps 43 and four second oil cylinders 44 are located at respectively on described four fastening frames 41, describedly tiltedly carve 42 and be horizontally disposed with and an end connects piston rod 45 1 ends of described second oil cylinder 44, described compact heap 43 vertical described tiltedly carve 42 and the top against described 42 the inclined-plane of tiltedly carving, described spring 46 is placed in described compact heap 43 outer rings, described four clamping pad 49 end faces are provided with groove and are located at 1 four jiaos in described transmission dolly, described tiltedly the carving 42 o'clock of piston rod 45 pullings of described second oil cylinder 44, describedly tiltedly carve 42 and depress described compact heap 43, described compact heap 43 overcomes the acting force of spring 46 and the groove that compact heap 43 bottom surfaces are positioned at the clamping pad 49 of 1 four jiaos in described transmission dolly.
As shown in Figure 5, control for ease of transmission dolly tension in the tension structure, this device also comprises first near switch 37, described first is located near switch 37 and is used to detect described transmission dolly 1 position on the described bearing support 35, described transmission dolly 1 is pulled to described first during near switch 37 operating positions through linking up with 34, and described first quits work near described first oil cylinder 32 of switch 37 controls.
As shown in Figure 6, for ease of the fastening control of transmission dolly in the fastening structure, this device also comprises second near switch 48, described second is located near switch 48 and is used to detect described 42 positions of tiltedly carving on the described fastening frame 41, describedly tiltedly carve 42 when making described compact heap 43 bottom surfaces be positioned at described clamping pad 49 grooves, described second quits work near described second oil cylinder 44 of switch 48 controls.
As shown in Figure 6, drive the compact heap action for ease of tiltedly carving in the fastening structure, this device also comprises four rolling 47, described four rolling 47 be located at respectively described four fastening structures tiltedly carve 42 and compact heap 43 between.
When power test, at first will transmit dolly carries out to the dynamometer machine front end, by loop wheel machine engine is winched on the transmission dolly, engine is installed on four blocks of supporting plates of position adjustment structure, lengthwise position by the mobile adjustment engine of hollow pillar stand on vertical slide rail then, by the lateral attitude of the mobile adjustment engine of hollow pillar stand on horizontal slide rail, the height by the adjustable plate that puts one's child in a boarding nursery of turn screw mandrel is to adjust the upright position of engine; Since the transmission dolly that engine has been installed can reach three tons multiple, as rely on manpower will transmit very difficulty of dolly implementation, start first oil cylinder of tension structure this moment, the first oil cylinder piston bar stretches out, the hook that is installed on the piston rod front end is affiliated to the hanger plate of transmission dolly front end along the bearing support that tilts, the bearing support that is obliquely installed is convenient to link up with and being affiliated to of hanger plate, when the transmission dolly furthers dynamometer machine, the limited block of being located at tension structure stand front end can play the spacing effect of transmission dolly, avoid transmitting dolly collision dynamometer machine, simultaneously, be arranged at the position of first on the bearing support near switch detected transmission dolly, when first detects transmission dolly position near switch, to send signal controlling first oil cylinder and quit work, transmit the dolly position and put in place this moment; Start second oil cylinder of being located on four fastening structure fastening frames, the piston rod of second oil cylinder drives tiltedly carves displacement, with tiltedly carve compact heap that the inclined-plane contacts and overcome the acting force of the spring of being located at the compact heap outer ring and be depressed, the compact heap bottom surface is against the clamping pad of being located at four jiaos in transmission dolly, before the transmission dolly can being anchored on the test board of dynamometer machine this moment, implement the power test of engine, drive the reliable displacement of compact heap in order to make tiltedly to carve in addition, tiltedly carve and compact heap between roller be set make it become flexible connection, guaranteed the displacement of compact heap and unlikely stuck, on fastening frame, also be provided with simultaneously second and be used to detect the position of tiltedly carving near switch, tiltedly carve be pulled to certain position by the second oil cylinder piston bar after, compact heap is against the fastening transmission dolly of clamping pad, and send signal controlling second oil cylinder near switch and quit work this moment second.After the power test end of job, starting second oil cylinder makes the piston rod drive tiltedly carve reverse moving, compact heap moved under the effect of spring force and broke away from clamping pad this moment, promptly unclamped the fastening of transmission dolly, starting first oil cylinder makes hook break away from hanger plate, transmit dolly and can break away from the dynamometer machine test board this moment, by loop wheel machine engine hung then.This device has made things convenient for the operation in early stage of power test, has improved operating efficiency when having reduced labour intensity, has guaranteed the precision of power test, has stopped the potential safety hazard in the test process.

Claims (4)

1. the device that is connected and fixed that is used for power test comprises the transmission dolly of carrying engine, it is characterized in that: also comprise position adjustment structure, tension structure and fastening structure,
Described position adjustment structure comprises four vertical slide rails, four horizontal slide rails, four base plates, four hollow pillar stands, four rhizoid bars, four blocks of supporting plates, vertical clamping screw, laterally clamping screw and highly clamping screw, described four vertical slide rails are divided into described transmission dolly both sides, described four base plates are divided on vertical slide rail of described transmission dolly both sides and along slide rail and vertically move, described four horizontal slide rails are located on described four base plates the plane respectively and perpendicular to described vertical slide rail, described four hollow pillar stands are located at respectively on described four base plates and along the horizontal slide rail on the base plate and are moved, described four hollow pillar stand end faces have through hole, described four rhizoid bars penetrate the interior and rotary moveable connection of through hole of described four hollow pillar stand end faces respectively, described four blocks of supporting plates have the side that screw is twisted on described four rhizoid bars and stretched out described four hollow pillar stands in opposite directions, described supporting plate rotates along described column lifting with described screw mandrel, described vertical clamping screw is located at and is used for fixing the position of base plate on the vertical slide rail of transmission dolly on the described base plate, described horizontal clamping screw is located at described column bottom surface and is used for fixing the position of column on the horizontal slide rail of base plate, and described height clamping screw is located at and is used for fixing the height of described supporting plate on column on the supporting plate;
Described tension structure comprises support, first oil cylinder, bearing support, limited block, hook and hanger plate, described is set up in the dynamometer machine base, described first oil cylinder is located on the described support, described bearing support tilts to be located at described support front end, described hook is located at the described first oil cylinder piston bar front end, hook when the described branching bolster supporting first oil cylinder piston bar stretches out, described limited block is located at described support front end, and described hanger plate is located at the bottom surface of the little car bottom plate of described transmission; When stretching out with the first oil cylinder piston bar, described hook is affiliated to described hanger plate;
Described fastening structure comprises four fastening frames, tiltedly carve for four, four compact heaps, four second oil cylinders, four springs and four clamping pads, described four fastening frames are located at dynamometer machine frame both sides respectively at interval, tiltedly carve for described four, four compact heaps and four second oil cylinders are located at respectively on described four fastening frames, described tiltedly carve be horizontally disposed with and an end connect the described second oil cylinder piston bar, one end, described compact heap vertical described tiltedly carve and the top against the described inclined-plane of tiltedly carving, described spring is placed in described compact heap outer ring, described four clamping pad end faces are provided with groove and are located at four jiaos in described transmission dolly, the pulling of the described second oil cylinder piston bar is described when tiltedly carving, described tiltedly carving depressed described compact heap, and described compact heap overcomes the acting force of spring and the groove that the compact heap bottom surface is positioned at the clamping pad of four jiaos in described transmission dolly.
2. the device that is connected and fixed that is used for power test according to claim 1, it is characterized in that: this device also comprises first near switch, described first is located near switch and is used to detect described transmission dolly position on the described bearing support, described transmission dolly is pulled to described first during near the switch motion position through hook, and described first controls described first oil cylinder near switch quits work.
3. the device that is connected and fixed that is used for power test according to claim 1, it is characterized in that: this device also comprises second near switch, described second is located near switch and is used to detect the described position of tiltedly carving on the described fastening frame, described tiltedly carving when making described compact heap bottom surface be positioned at described clamping pad groove, described second controls described second oil cylinder near switch quits work.
4. the device that is connected and fixed that is used for power test according to claim 1, it is characterized in that: this device also comprises four rolling, described four rolling is located at respectively between tiltedly carving of described four fastening structures and the compact heap.
CN2010206604820U 2010-12-15 2010-12-15 Connecting and fixing device for power testing of engine Expired - Fee Related CN201903450U (en)

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CN2010206604820U CN201903450U (en) 2010-12-15 2010-12-15 Connecting and fixing device for power testing of engine

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102944425A (en) * 2012-10-19 2013-02-27 凯迈(洛阳)机电有限公司 Centering debug method of multiple racks and trays of engine test stand
CN105291069A (en) * 2015-11-13 2016-02-03 重庆红亿机械有限公司 Lifting trolley
CN107747520A (en) * 2017-11-20 2018-03-02 西安航天动力测控技术研究所 A kind of adjustable roller erecting device for solid propellant rocket centering
CN108132151A (en) * 2017-12-18 2018-06-08 重庆厚全科技发展有限公司 A kind of engine quick-assembling trolley hold-down mechanism
CN110626980A (en) * 2019-09-17 2019-12-31 上海大众联合汽车改装有限公司 A hold in palm car for supporting engine

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102944425A (en) * 2012-10-19 2013-02-27 凯迈(洛阳)机电有限公司 Centering debug method of multiple racks and trays of engine test stand
CN102944425B (en) * 2012-10-19 2015-06-24 凯迈(洛阳)机电有限公司 Centering debug method of multiple racks and trays of engine test stand
CN105291069A (en) * 2015-11-13 2016-02-03 重庆红亿机械有限公司 Lifting trolley
CN107747520A (en) * 2017-11-20 2018-03-02 西安航天动力测控技术研究所 A kind of adjustable roller erecting device for solid propellant rocket centering
CN108132151A (en) * 2017-12-18 2018-06-08 重庆厚全科技发展有限公司 A kind of engine quick-assembling trolley hold-down mechanism
CN110626980A (en) * 2019-09-17 2019-12-31 上海大众联合汽车改装有限公司 A hold in palm car for supporting engine

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Granted publication date: 20110720

Termination date: 20121215